This shows you the differences between two versions of the page.
Both sides previous revision Previous revision Next revision | Previous revision | ||
about:system [2016/06/14 19:17] nuxwin |
about:system [2017/08/22 17:16] (current) nuxwin |
||
---|---|---|---|
Line 1: | Line 1: | ||
====== System requirements ====== | ====== System requirements ====== | ||
- | **See:** | + | * 1 GHz or faster 32 bits (x86) or 64 bits (x64) processor |
+ | * 1 Gio memory (minimum) - For heavily loaded servers or high flow is recommended at least 8 Gio | ||
+ | * 1 Gio of available hard disk space for i-MSCP and managed services, excluding user data | ||
+ | * Internet access (at least 100 Mbits/s recommended) | ||
+ | * A Linux kernel >= 2.6.26 | ||
+ | * A file system supporting extended attributes such as ext2, ext3, ext4 or reiserfs***** | ||
+ | * Appropriate privileges to create devices (**CAP_MKNOD** capability) | ||
+ | * Appropriate privileges to mount, unmount and remount filesystems (**CAP_SYS_ADMIN** capability) | ||
- | * Debian: https://github.com/i-MSCP/imscp/blob/1.3.x/docs/Debian/INSTALL.md#1-requirements | + | ===== Reiserfs users ===== |
- | * Ubuntu: https://github.com/i-MSCP/imscp/blob/1.3.x/docs/Ubuntu/INSTALL.md#1-requirements | + | |
+ | In order, to use the reiserfs file system with i-MSCP, you must follow these steps: | ||
+ | |||
+ | Edit your **/etc/fstab** file to add the **attrs** option for your device (e.g. device containing the /var partition). For | ||
+ | instance: | ||
+ | UUID=74699091-3ab8-43f2-bdd5-d1d898ab50fd / reiserfs notail 0 1 | ||
+ | should be updated to: | ||
+ | UUID=74699091-3ab8-43f2-bdd5-d1d898ab50fd / reiserfs notail,attrs 0 1 | ||
+ | Once you did that, you can remount your device. For instance: | ||
+ | mount -o remount /dev/disk/by-uuid/74699091-3ab8-43f2-bdd5-d1d898ab50fd | ||
+ | If needed, you can find the uuid of your device, with the following command: | ||
+ | blkid <device> | ||
+ | where **<device>** must be replaced by your device path such as **/dev/sda1** | ||
+ | |||
+ | ===== LXC containers ===== | ||
+ | |||
+ | If you want install i-MSCP inside a LXC container, the following conditions have to be met: | ||
+ | |||
+ | * You must have the **CAP_MKNOD** capability inside the container. Thus, you must ensure that **mknod** is not in the list of dropped capabilities | ||
+ | * You must have the **CAP_SYS_ADMIN** capability inside the container (required to mount filesystems). Thus, you must ensure that `sys_admin` is not in the list of dropped capabilities. | ||
+ | * You must allow the creation of devices inside the container by white-listing them. Easy solution is to add **lxc.cgroup.devices.allow = a *:* rwm** in LXC container configuration file. | ||
+ | * If you use **Apparmor**, you must allow **mount**,**umount** and **remount** operations inside your container by modifying the default apparmor profile **/etc/apparmor.d/lxc/lxc-default** or by creating a specific apparmor profile for the container. | ||
+ | |||
+ | Note that these operations must be done on the host, not in the container. | ||
+ | |||
+ | **See also:** | ||
+ | * https://i-mscp.net/index.php/Thread/14039-i-MSCP-inside-a-LXC-container-Managed-by-Proxmox-4-x | ||
+ | * https://linuxcontainers.org/fr/lxc/manpages/man5/lxc.container.conf.5.html | ||
+ | * https://help.ubuntu.com/lts/serverguide/lxc.html#lxc-apparmor | ||
+ | * http://wiki.apparmor.net/index.php/AppArmor_Core_Policy_Reference#Mount_rules_.28AppArmor_2.8_and_later.29 | ||
+ | |||
+ | ===== OpenVZ containers (Proxmox and Virtuozzo) ===== | ||
+ | |||
+ | You could have to increase the **fs.ve-mount-nr** limit, else, an error such as **mount: Cannot allocate memory** could be threw by CageFS. To avoid this problem you must: | ||
+ | |||
+ | - Increase the limit by adding an entry such as **fs.ve-mount-nr = 4096** to your **/etc/sysctl.conf** file | ||
+ | - Make the new limit effective by executing the **sysctl -p** command | ||
+ | |||
+ | Note that these operations must be done on the host, not in the container. |